factorise first question 12 x square - 7 x + 1
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12x²-7x+1=0
12x²-3x-4x+1=0
3x(4x-1)-1(4x-1)=0
(3x-1)(4x-1)=0
x=1/3
x=1/4
The roots are 1/3 and 1/4
12x²-3x-4x+1=0
3x(4x-1)-1(4x-1)=0
(3x-1)(4x-1)=0
x=1/3
x=1/4
The roots are 1/3 and 1/4
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